Gas-heater and germ-destroyer



(No Model.)

W. L. POTTER. GAS HEATER AND GERM DESTROYER.

No. 512,056. Patented Jan. 2, 1894.

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UNITED STATES L ATENT' FFICE,

WILSON L. POTTER, OF HARTFORD, CONNECTICUT.

GAS-HEATER AND GERM-DESTROYER.

SPECIFICATION torming part of. Letters Patent No. 512,056, dated January 2, 1894.

Application filed January 9, 1893. Serial No. 457,713. (No model.)

To all whom it may concern.-

Be it known that I, WILsON L. POTTER, a citizen of the United States, residing at Hartford, in the county of Hartford and State of Connecticut, have invented certain new and useful Improvements in Gas-Heaters and Germ-Destroyers, of which'the following is a full, clear, and exact specification.

The invention relates to the class of devices which may be placed in any. part of a room or apartment and connected with a supply of fluid fuel, either oil or gas, that when burned will produce a source of heat for warming purposes. The object is to provide a simple, and cheap device of this class which can be conveniently placed where desired, and which when the fuel is ignited will produce an intense flame and radiate a' large quantity of heat for warmth, the construction being such that while there is a strong inward draft at the bottom, the outward draft at the top is so weak as to be scarcely perceptible, in order that all animal or vegetable germs or microbes that may be floating in the atmosphere in the vicinity of the heater will be drawn into it and carried through the intense flame by the strong inward draft and held in the upper chamber sufficiently long for all life to be destroyed, before passing-out.

On the accompanying drawing the figure represents an elevation of the heater with a part out in section to show the interior.

In the drawing 1 represents a cylindrical shell formed of metal, usually sheet iron, the upper end of which is provided with a cover 2. Through the walls at the lower end are arch-shaped openings 3, and in the bottom a cone 4: is placed with its apex reaching just above the tops of the openings through the shell. This cone is located relatively to the openings 3 and 5, so as to deflect the air entering laterally through the, openings 3 at right angles vertically upward into and through the tube 5 and burner 13, to draw the air in from the bottom near the floor of the room, and send it upward into the inner tube. The side walls of the upper part of the exterior shell are foraminated or perfo-' rated with" small holes for the passage of air. A tube 5 considerably smaller in diameter than the exterior shell. is placed and held in the center by diaphragms 6 and 7 secured to 'so as to pass through the flame.

the Walls of the shell. Both of these diaphragms have central openings the same size as the tube, while the upper diaphragm also has other openings 3. Secured to the central tube is a truncated hollow cone 9, the upper end of which extends into a chamber 10 above the upper diaphragm. To this upper 'end of the truncated cone an inverted cone 11 of sheet metal is secured, and fastened to the upper edge of this cone is a sheet metal dome or bell-shaped deflector 12. A burner 13 is secured to the interior of the central tube, and a pipe 14 led from this burner through the walls ot' the heater to the exterior for connection with a flexible or other pipe from the supply of fuel, which may be either gas, oil, orany combustible vapor. The burner is preferably formed of acoil of common gas pipe having a number of small perforations'or openings so arranged that the flames of the burning gas or vapor when lighted will converge toward the center and practically fill the opening through the cone, the lighted flames from the several perforations thus converging to the center making a very hot blaze that heats the air in the truncated cone to a high degree. This heated air rising through ,the opening at the top causes a strong upward draft so that the air, and the matter with which it is laden, in the vicinity of the bottom of the heater, is drawn in through the arched openings and deflected by the bottom cone upward through thetube This air as it passes through the top of the truncated cone is thrown out by the inverted cone and then downward by the bell-shaped deflector which causes it to circulate around in the large upper chamber of the shell before passing to the exterior. The air becomes very hot when passing through the flame, which in View of the shape of the burner does not air in the chamber around the sides of the central tube absorbs considerable heat and which on becoming saturated with heat gives it off to the outer atmosphere, thus vastly increasing the radiating surface of theheater. By means of this simple construction considerable inward draft is produced at the bottom, so as to draw in and through the heated flame allthe floating matter in the air in the vicinity, which flames are so hot that all life germs are destroyed, and as the heated air does not have a chance to pass at once out through the small perforations, but circulates more or less in the upper chamber before escaping, the possibilities that any life will ex- 1st in germs after passing through the intenor are small.

The device is readily attached to any source of fuel, easily lighted and extinguished, can be placed and left in any desired position or part of any room or apartment, and produces a large quantity of heat when used.

I claim as my invention 1. A heater consisting of an exterior shell having large openings throughthe side Walls at the bottom, and small perforations through the side walls at the top; an inner tube smaller in diameter than the exterior shell, said tube having a contracted upper end, a burner in the tube adapted to be connected with the source of fluid fuel, and an air deflecting cone in the bottom, below the inner tube and the burner, substantially as specified. f

2. A heater consisting of an exterior shell having a large opening in the bottom and small perforations at the top, an inner central tube smaller in diameter than the exterior shell, a truncated cone secured to the inner tube, a bell shaped deflector placedabove the truncated cone, a cone projecting downward from the deflector a burner located in the upper part of the inner tube, directly below the truncated cone, and adapted to be connected with a source of fluid fuel, and a deflecting cone in the bottom below the burner substantially as specified.

3. A heater consisting of an exterior shell having a large opening in the bottom and small perforations at the top, an air deflecting cone placed .in the bottom of the shell, belowthe burner, an inner central tube smaller in diameter than the exterior shell, a bell shaped deflector located above the tube within the shell,and a burner in the tube adapted to be connected With a source of fluid fuel, substantially as specified.

at. A heater consisting of an exterior shell with large openings through the bottom and small perforations through the top, said shell having an inlet chamber at the bottom and outlet chamber at the top, and a, combustion to be connected with asource of fluid fuel located in the combustion chamber, substan-.

tially as specified.

WILSON L. POTTER.

Witnesses:

g H. R. WILLIAMS, 0. E. BUOKLAND. 

